Air Concentration Summaries from

Environmental Surveillance Reports

Los Alamos Airport

------------------------------------------------------

Calendar
Total Air
Total #
# Samples
Air Concentrations

Year
Volume (m3)
Samples
< MDA
------------------------------------------------------

Min
Max
Mean Std.Dev. Units

====================================================================================================

Am-241

1975 50
22
5
aCi/m3

1977 100722
4
3
-1
7.1
2.3
9.2
aCi/m3

1978 76020
3
3
-2.7
2.6
0.3
5.9
aCi/m3

1979 91337
4
4
-4.6
0.1
-1.5
4.3
aCi/m3

1980 93689
4
3
-0.5
48
13
24
aCi/m3

1981 55406
4
3
0.9
8.7
3.3
7.3
aCi/m3

1982 93687
3
3
-1.5
1.7
1.2
8.8
aCi/m3

1986 93782
4
2.2
7.9
4.5
2.5
aCi/m3

1987 24931
1
1
1.7
1.7
1.7
aCi/m3

1988 66914
4
1
1.4
4.8
3.3
1.4
aCi/m3

1989 74148
4
2
0.7
2.9
1.9
1
aCi/m3

1990 62843
3
2
1.2
2.5
1.7
0.7
aCi/m3

1991 43065
2
1
1.7
2.1
1.9
aCi/m3

1992 41338
2
1
1
1
1.5
aCi/m3

1993 42600
3
1
0.4
2.8
1.8
2.5
aCi/m3

1994 61500
4
3.4
9.9
5.8
5.7
aCi/m3

1995 4
1
1.4
5.2
3.4
3.1
aCi/m3

1996 4
1.5
3.3
2.2
0.8
aCi/m3

1997 4
4
0.3
3.8
1.5
1.6
aCi/m3

1998 4
4
1.2
2.9
2.3
0.8
aCi/m3

1999 4
4
2
3.8
2.8
0.8
aCi/m3

2000 4
4
-0.3
2.1
0.7
1.1
aCi/m3

=====================================================================================================

Tuesday, December 24, 2002 Page 2 of 8
First Previous Next Last